// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_OBSERVER_H_
#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_OBSERVER_H_

#include <stddef.h>
#include <stdint.h>

#include <bitset>
#include <set>

#include "base/macros.h"
#include "base/stl_util.h"
#include "content/common/content_export.h"
#include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBTypes.h"

namespace content {

class CONTENT_EXPORT IndexedDBObserver {
public:
    struct CONTENT_EXPORT Options {
        explicit Options(bool include_transaction,
            bool no_records,
            bool values,
            unsigned short types);
        Options(const Options&);
        ~Options();

        bool include_transaction;
        bool no_records;
        bool values;
        // Operation type bits are set corresponding to WebIDBOperationType.
        std::bitset<blink::WebIDBOperationTypeCount> operation_types;
    };
    IndexedDBObserver(int32_t observer_id,
        std::set<int64_t> object_store_ids,
        const Options& options);
    ~IndexedDBObserver();

    int32_t id() const { return id_; }
    const std::set<int64_t>& object_store_ids() const
    {
        return object_store_ids_;
    }

    void set_object_store_ids(std::set<int64_t> ids)
    {
        object_store_ids_ = std::move(ids);
    }

    bool IsRecordingType(blink::WebIDBOperationType type) const
    {
        DCHECK_NE(type, blink::WebIDBOperationTypeCount);
        return options_.operation_types[type];
    }
    bool IsRecordingObjectStore(int64_t object_store_id) const
    {
        return base::ContainsValue(object_store_ids_, object_store_id);
    }
    bool include_transaction() const { return options_.include_transaction; }
    bool no_records() const { return options_.no_records; }
    bool values() const { return options_.values; }

private:
    int32_t id_;
    std::set<int64_t> object_store_ids_;
    Options options_;

    DISALLOW_COPY_AND_ASSIGN(IndexedDBObserver);
};

} // namespace content

#endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_OBSERVER_H_
